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302020311230 = 2511322691233
BaseRepresentation
bin1000110010100011101…
…00000011100010111110
31001212120022111110201222
410121101310003202332
514422014144424410
6350425103233342
730551226200501
oct4312164034276
91055508443658
10302020311230
111070a4657000
124a649ba8852
1322632567c41
14108915a7138
157cc9c34955
hex4651d038be

302020311230 has 32 divisors (see below), whose sum is σ = 597959398368. Its totient is φ = 109825562880.

The previous prime is 302020311209. The next prime is 302020311233. The reversal of 302020311230 is 32113020203.

It is a super-2 number, since 2×3020203112302 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 302020311199 and 302020311208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302020311233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11332307 + ... + 11358926.

It is an arithmetic number, because the mean of its divisors is an integer number (18686231199).

Almost surely, 2302020311230 is an apocalyptic number.

302020311230 is a deficient number, since it is larger than the sum of its proper divisors (295939087138).

302020311230 is a wasteful number, since it uses less digits than its factorization.

302020311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22691273 (or 22691251 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 302020311230 its reverse (32113020203), we get a palindrome (334133331433).

The spelling of 302020311230 in words is "three hundred two billion, twenty million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 1331 2662 6655 13310 22691233 45382466 113456165 226912330 249603563 499207126 1248017815 2496035630 2745639193 5491278386 13728195965 27456391930 30202031123 60404062246 151010155615 302020311230